Add support for AVX2 builtin functions.

Add support for AVX2 builtin functions.

2011-08-22  Kirill Yukhin  <kirill.yukhin@intel.com>

	* config/i386/avx2intrin.h: New file.
	* config/i386/i386-builtin-types.def (PCINT, PCINT64, PV4SI,
	PV8SI, V32QI_FTYPE_V32QI, V32QI_FTYPE_V16QI, V16HI_FTYPE_V16HI,
	V16HI_FTYPE_V8HI, V8SI_FTYPE_V8SI, V16HI_FTYPE_V16QI,
	V8SI_FTYPE_V16QI, V4DI_FTYPE_V16QI, V8SI_FTYPE_V8HI,
	V4DI_FTYPE_V8HI, V4DI_FTYPE_V4SI, V4DI_FTYPE_PV4DI,
	V4DI_FTYPE_V2DI, V2DI_FTYPE_PCV2DI_V2DI, V4SI_FTYPE_PCV4SI_V4SI,
	V32QI_FTYPE_V16HI_V16HI, V16HI_FTYPE_V8SI_V8SI,
	V32QI_FTYPE_V32QI_V32QI, V16HI_FTYPE_V32QI_V32QI,
	V16HI_FTYPE_V16HI_V8HI, V16HI_FTYPE_V16HI_V16HI,
	V16HI_FTYPE_V16HI_INT, V16HI_FTYPE_V16HI_SI,
	V16HI_FTYPE_V16HI_V16HI_INT, V32QI_FTYPE_V32QI_V32QI_INT,
	V8SI_FTYPE_V8SI_V4SI, V8SI_FTYPE_V8SI_V8SI,
	V8SI_FTYPE_V16HI_V16HI, V8SI_FTYPE_V8SI_INT, V8SI_FTYPE_V8SI_SI,
	V8SI_FTYPE_PCV8SI_V8SI, V4DI_FTYPE_V4DI_V4DI,
	V4DI_FTYPE_V8SI_V8SI, V4DI_FTYPE_V4DI_V2DI,
	V4DI_FTYPE_PCV4DI_V4DI, V4DI_FTYPE_V4DI_INT,
	V2DI_FTYPE_V4DI_INT, V4DI_FTYPE_V4DI_V4DI_INT,
	V4DI_FTYPE_V4DI_V2DI_INT, VOID_FTYPE_PV2DI_V2DI_V2DI,
	VOID_FTYPE_PV4DI_V4DI_V4DI, VOID_FTYPE_PV4SI_V4SI_V4SI,
	VOID_FTYPE_PV8SI_V8SI_V8SI,
	V2DF_FTYPE_V2DF_PCDOUBLE_V4SI_V2DF_INT,
	V4DF_FTYPE_V4DF_PCDOUBLE_V4SI_V4DF_INT,
	V2DF_FTYPE_V2DF_PCDOUBLE_V2DI_V2DF_INT,
	V4DF_FTYPE_V4DF_PCDOUBLE_V4DI_V4DF_INT,
	V4SF_FTYPE_V4SF_PCFLOAT_V4SI_V4SF_INT,
	V8SF_FTYPE_V8SF_PCFLOAT_V8SI_V8SF_INT,
	V4SF_FTYPE_V4SF_PCFLOAT_V2DI_V4SF_INT,
	V4SF_FTYPE_V4SF_PCFLOAT_V4DI_V4SF_INT,
	V2DI_FTYPE_V2DI_PCINT64_V4SI_V2DI_INT,
	V4DI_FTYPE_V4DI_PCINT64_V4SI_V4DI_INT,
	V2DI_FTYPE_V2DI_PCINT64_V2DI_V2DI_INT,
	V4DI_FTYPE_V4DI_PCINT64_V4DI_V4DI_INT,
	V4SI_FTYPE_V4SI_PCINT_V4SI_V4SI_INT,
	V8SI_FTYPE_V8SI_PCINT_V8SI_V8SI_INT,
	V4SI_FTYPE_V4SI_PCINT_V2DI_V4SI_INT,
	V4SI_FTYPE_V4SI_PCINT_V4DI_V4SI_INT,
	V16HI_FTYPE_V16HI_SI_COUNT, V16HI_FTYPE_V16HI_V8HI_COUNT,
	V8SI_FTYPE_V8SI_SI_COUNT, V8SI_FTYPE_V8SI_V4SI_COUNT,
	V4DI_FTYPE_V4DI_INT_COUNT, V4DI_FTYPE_V4DI_V2DI_COUNT,
	V4DI_FTYPE_V4DI_INT_CONVERT,
	V4DI_FTYPE_V4DI_V4DI_INT_CONVERT): New.
	* config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MPSADBW256,
	IX86_BUILTIN_PABSB256, IX86_BUILTIN_PABSW256,
	IX86_BUILTIN_PABSD256, IX86_BUILTIN_PACKSSDW256,
	IX86_BUILTIN_PACKSSWB256, IX86_BUILTIN_PACKUSDW256,
	IX86_BUILTIN_PACKUSWB256, IX86_BUILTIN_PADDB256,
	IX86_BUILTIN_PADDW256, IX86_BUILTIN_PADDD256,
	IX86_BUILTIN_PADDQ256, IX86_BUILTIN_PADDSB256,
	IX86_BUILTIN_PADDSW256, IX86_BUILTIN_PADDUSB256,
	IX86_BUILTIN_PADDUSW256, IX86_BUILTIN_PALIGNR256,
	IX86_BUILTIN_AND256I, IX86_BUILTIN_ANDNOT256I,
	IX86_BUILTIN_PAVGB256, IX86_BUILTIN_PAVGW256,
	IX86_BUILTIN_PBLENDVB256, IX86_BUILTIN_PBLENDVW256,
	IX86_BUILTIN_PCMPEQB256, IX86_BUILTIN_PCMPEQW256,
	IX86_BUILTIN_PCMPEQD256, IX86_BUILTIN_PCMPEQQ256,
	IX86_BUILTIN_PCMPGTB256, IX86_BUILTIN_PCMPGTW256,
	IX86_BUILTIN_PCMPGTD256, IX86_BUILTIN_PCMPGTQ256,
	IX86_BUILTIN_PHADDW256, IX86_BUILTIN_PHADDD256,
	IX86_BUILTIN_PHADDSW256, IX86_BUILTIN_PHSUBW256,
	IX86_BUILTIN_PHSUBD256, IX86_BUILTIN_PHSUBSW256,
	IX86_BUILTIN_PMADDUBSW256, IX86_BUILTIN_PMADDWD256,
	IX86_BUILTIN_PMAXSB256, IX86_BUILTIN_PMAXSW256,
	IX86_BUILTIN_PMAXSD256, IX86_BUILTIN_PMAXUB256,
	IX86_BUILTIN_PMAXUW256, IX86_BUILTIN_PMAXUD256,
	IX86_BUILTIN_PMINSB256, IX86_BUILTIN_PMINSW256,
	IX86_BUILTIN_PMINSD256, IX86_BUILTIN_PMINUB256,
	IX86_BUILTIN_PMINUW256, IX86_BUILTIN_PMINUD256,
	IX86_BUILTIN_PMOVMSKB256, IX86_BUILTIN_PMOVSXBW256,
	IX86_BUILTIN_PMOVSXBD256, IX86_BUILTIN_PMOVSXBQ256,
	IX86_BUILTIN_PMOVSXWD256, IX86_BUILTIN_PMOVSXWQ256,
	IX86_BUILTIN_PMOVSXDQ256, IX86_BUILTIN_PMOVZXBW256,
	IX86_BUILTIN_PMOVZXBD256, IX86_BUILTIN_PMOVZXBQ256,
	IX86_BUILTIN_PMOVZXWD256, IX86_BUILTIN_PMOVZXWQ256,
	IX86_BUILTIN_PMOVZXDQ256, IX86_BUILTIN_PMULDQ256,
	IX86_BUILTIN_PMULHRSW256, IX86_BUILTIN_PMULHUW256,
	IX86_BUILTIN_PMULHW256, IX86_BUILTIN_PMULLW256,
	IX86_BUILTIN_PMULLD256, IX86_BUILTIN_PMULUDQ256,
	IX86_BUILTIN_POR256, IX86_BUILTIN_PSADBW256,
	IX86_BUILTIN_PSHUFB256, IX86_BUILTIN_PSHUFD256,
	IX86_BUILTIN_PSHUFHW256, IX86_BUILTIN_PSHUFLW256,
	IX86_BUILTIN_PSIGNB256, IX86_BUILTIN_PSIGNW256,
	IX86_BUILTIN_PSIGND256, IX86_BUILTIN_PSLLDQI256,
	IX86_BUILTIN_PSLLWI256, IX86_BUILTIN_PSLLW256,
	IX86_BUILTIN_PSLLDI256, IX86_BUILTIN_PSLLD256,
	IX86_BUILTIN_PSLLQI256, IX86_BUILTIN_PSLLQ256,
	IX86_BUILTIN_PSRAWI256, IX86_BUILTIN_PSRAW256,
	IX86_BUILTIN_PSRADI256, IX86_BUILTIN_PSRAD256,
	IX86_BUILTIN_PSRLDQI256, IX86_BUILTIN_PSRLWI256,
	IX86_BUILTIN_PSRLW256, IX86_BUILTIN_PSRLDI256,
	IX86_BUILTIN_PSRLD256, IX86_BUILTIN_PSRLQI256,
	IX86_BUILTIN_PSRLQ256, IX86_BUILTIN_PSUBB256,
	IX86_BUILTIN_PSUBW256, IX86_BUILTIN_PSUBD256,
	IX86_BUILTIN_PSUBQ256, IX86_BUILTIN_PSUBSB256,
	IX86_BUILTIN_PSUBSW256, IX86_BUILTIN_PSUBUSB256,
	IX86_BUILTIN_PSUBUSW256, IX86_BUILTIN_PUNPCKHBW256,
	IX86_BUILTIN_PUNPCKHWD256, IX86_BUILTIN_PUNPCKHDQ256,
	IX86_BUILTIN_PUNPCKHQDQ256, IX86_BUILTIN_PUNPCKLBW256,
	IX86_BUILTIN_PUNPCKLWD256, IX86_BUILTIN_PUNPCKLDQ256,
	IX86_BUILTIN_PUNPCKLQDQ256, IX86_BUILTIN_PXOR256,
	IX86_BUILTIN_MOVNTDQA256, IX86_BUILTIN_VBROADCASTSS_PS,
	IX86_BUILTIN_VBROADCASTSS_PS256,
	IX86_BUILTIN_VBROADCASTSD_PD256,
	IX86_BUILTIN_VBROADCASTSI256, IX86_BUILTIN_PBLENDD256,
	IX86_BUILTIN_PBLENDD128, IX86_BUILTIN_PBROADCASTB256,
	IX86_BUILTIN_PBROADCASTW256, IX86_BUILTIN_PBROADCASTD256,
	IX86_BUILTIN_PBROADCASTQ256, IX86_BUILTIN_PBROADCASTB128,
	IX86_BUILTIN_PBROADCASTW128, IX86_BUILTIN_PBROADCASTD128,
	IX86_BUILTIN_PBROADCASTQ128, IX86_BUILTIN_VPERMVARSI256,
	IX86_BUILTIN_VPERMDF256, IX86_BUILTIN_VPERMVARSF256,
	IX86_BUILTIN_VPERMDI256, IX86_BUILTIN_VPERMTI256,
	IX86_BUILTIN_VEXTRACT128I256, IX86_BUILTIN_VINSERT128I256,
	IX86_BUILTIN_MASKLOADD, IX86_BUILTIN_MASKLOADQ,
	IX86_BUILTIN_MASKLOADD256, IX86_BUILTIN_MASKLOADQ256,
	IX86_BUILTIN_MASKSTORED, IX86_BUILTIN_MASKSTOREQ,
	IX86_BUILTIN_MASKSTORED256, IX86_BUILTIN_MASKSTOREQ256,
	IX86_BUILTIN_PSLLVV4DI, IX86_BUILTIN_PSLLVV2DI,
	IX86_BUILTIN_PSLLVV8SI, IX86_BUILTIN_PSLLVV4SI,
	IX86_BUILTIN_PSRAVV8SI, IX86_BUILTIN_PSRAVV4SI,
	IX86_BUILTIN_PSRLVV4DI, IX86_BUILTIN_PSRLVV2DI,
	IX86_BUILTIN_PSRLVV8SI, IX86_BUILTIN_PSRLVV4SI,
	IX86_BUILTIN_GATHERSIV2DF, IX86_BUILTIN_GATHERSIV4DF,
	IX86_BUILTIN_GATHERDIV2DF, IX86_BUILTIN_GATHERDIV4DF,
	IX86_BUILTIN_GATHERSIV4SF, IX86_BUILTIN_GATHERSIV8SF,
	IX86_BUILTIN_GATHERDIV4SF, IX86_BUILTIN_GATHERDIV8SF,
	IX86_BUILTIN_GATHERSIV2DI, IX86_BUILTIN_GATHERSIV4DI,
	IX86_BUILTIN_GATHERDIV2DI, IX86_BUILTIN_GATHERDIV4DI,
	IX86_BUILTIN_GATHERSIV4SI, IX86_BUILTIN_GATHERSIV8SI,
	IX86_BUILTIN_GATHERDIV4SI, IX86_BUILTIN_GATHERDIV8SI.
	(bdesc_special_args): Add IX86_BUILTIN_MOVNTDQA256,
	IX86_BUILTIN_MASKLOADD, IX86_BUILTIN_MASKLOADQ,
	IX86_BUILTIN_MASKLOADD256, IX86_BUILTIN_MASKLOADQ256,
	IX86_BUILTIN_MASKSTORED, IX86_BUILTIN_MASKSTOREQ,
	IX86_BUILTIN_MASKSTORED256, IX86_BUILTIN_MASKSTOREQ256.
	(bdesc_args): Add  IX86_BUILTIN_MPSADBW256,
	IX86_BUILTIN_PABSB256, IX86_BUILTIN_PABSW256,
	IX86_BUILTIN_PABSD256, IX86_BUILTIN_PACKSSDW256,
	IX86_BUILTIN_PACKSSWB256, IX86_BUILTIN_PACKUSDW256,
	IX86_BUILTIN_PACKUSWB256, IX86_BUILTIN_PADDB256,
	IX86_BUILTIN_PADDW256, IX86_BUILTIN_PADDD256,
	IX86_BUILTIN_PADDQ256, IX86_BUILTIN_PADDSB256,
	IX86_BUILTIN_PADDSW256, IX86_BUILTIN_PADDUSB256,
	IX86_BUILTIN_PADDUSW256, IX86_BUILTIN_PALIGNR256,
	IX86_BUILTIN_AND256I, IX86_BUILTIN_ANDNOT256I,
	IX86_BUILTIN_PAVGB256, IX86_BUILTIN_PAVGW256,
	IX86_BUILTIN_PBLENDVB256, IX86_BUILTIN_PBLENDVW256,
	IX86_BUILTIN_PCMPEQB256, IX86_BUILTIN_PCMPEQW256,
	IX86_BUILTIN_PCMPEQD256, IX86_BUILTIN_PCMPEQQ256,
	IX86_BUILTIN_PCMPGTB256, IX86_BUILTIN_PCMPGTW256,
	IX86_BUILTIN_PCMPGTD256, IX86_BUILTIN_PCMPGTQ256,
	IX86_BUILTIN_PHADDW256, IX86_BUILTIN_PHADDD256,
	IX86_BUILTIN_PHADDSW256, IX86_BUILTIN_PHSUBW256,
	IX86_BUILTIN_PHSUBD256, IX86_BUILTIN_PHSUBSW256,
	IX86_BUILTIN_PMADDUBSW256, IX86_BUILTIN_PMADDWD256,
	IX86_BUILTIN_PMAXSB256, IX86_BUILTIN_PMAXSW256,
	IX86_BUILTIN_PMAXSD256, IX86_BUILTIN_PMAXUB256,
	IX86_BUILTIN_PMAXUW256, IX86_BUILTIN_PMAXUD256,
	IX86_BUILTIN_PMINSB256, IX86_BUILTIN_PMINSW256,
	IX86_BUILTIN_PMINSD256, IX86_BUILTIN_PMINUB256,
	IX86_BUILTIN_PMINUW256, IX86_BUILTIN_PMINUD256,
	IX86_BUILTIN_PMOVMSKB256, IX86_BUILTIN_PMOVSXBW256,
	IX86_BUILTIN_PMOVSXBD256, IX86_BUILTIN_PMOVSXBQ256,
	IX86_BUILTIN_PMOVSXWD256, IX86_BUILTIN_PMOVSXWQ256,
	IX86_BUILTIN_PMOVSXDQ256, IX86_BUILTIN_PMOVZXBW256,
	IX86_BUILTIN_PMOVZXBD256, IX86_BUILTIN_PMOVZXBQ256,
	IX86_BUILTIN_PMOVZXWD256, IX86_BUILTIN_PMOVZXWQ256,
	IX86_BUILTIN_PMOVZXDQ256, IX86_BUILTIN_PMULDQ256,
	IX86_BUILTIN_PMULHRSW256, IX86_BUILTIN_PMULHUW256,
	IX86_BUILTIN_PMULHW256, IX86_BUILTIN_PMULLW256,
	IX86_BUILTIN_PMULLD256, IX86_BUILTIN_PMULUDQ256,
	IX86_BUILTIN_POR256, IX86_BUILTIN_PSADBW256,
	IX86_BUILTIN_PSHUFB256, IX86_BUILTIN_PSHUFD256,
	IX86_BUILTIN_PSHUFHW256, IX86_BUILTIN_PSHUFLW256,
	IX86_BUILTIN_PSIGNB256, IX86_BUILTIN_PSIGNW256,
	IX86_BUILTIN_PSIGND256, IX86_BUILTIN_PSLLDQI256,
	IX86_BUILTIN_PSLLWI256, IX86_BUILTIN_PSLLW256,
	IX86_BUILTIN_PSLLDI256, IX86_BUILTIN_PSLLD256,
	IX86_BUILTIN_PSLLQI256, IX86_BUILTIN_PSLLQ256,
	IX86_BUILTIN_PSRAWI256, IX86_BUILTIN_PSRAW256,
	IX86_BUILTIN_PSRADI256, IX86_BUILTIN_PSRAD256,
	IX86_BUILTIN_PSRLDQI256, IX86_BUILTIN_PSRLWI256,
	IX86_BUILTIN_PSRLW256, IX86_BUILTIN_PSRLDI256,
	IX86_BUILTIN_PSRLD256, IX86_BUILTIN_PSRLQI256,
	IX86_BUILTIN_PSRLQ256, IX86_BUILTIN_PSUBB256,
	IX86_BUILTIN_PSUBW256, IX86_BUILTIN_PSUBD256,
	IX86_BUILTIN_PSUBQ256, IX86_BUILTIN_PSUBSB256,
	IX86_BUILTIN_PSUBSW256, IX86_BUILTIN_PSUBUSB256,
	IX86_BUILTIN_PSUBUSW256, IX86_BUILTIN_PUNPCKHBW256,
	IX86_BUILTIN_PUNPCKHWD256, IX86_BUILTIN_PUNPCKHDQ256,
	IX86_BUILTIN_PUNPCKHQDQ256, IX86_BUILTIN_PUNPCKLBW256,
	IX86_BUILTIN_PUNPCKLWD256, IX86_BUILTIN_PUNPCKLDQ256,
	IX86_BUILTIN_PUNPCKLQDQ256, IX86_BUILTIN_PXOR256,
	IX86_BUILTIN_VBROADCASTSS_PS, IX86_BUILTIN_VBROADCASTSS_PS256,
	IX86_BUILTIN_VBROADCASTSD_PD256,
	IX86_BUILTIN_VBROADCASTSI256, IX86_BUILTIN_PBLENDD256,
	IX86_BUILTIN_PBLENDD128, IX86_BUILTIN_PBROADCASTB256,
	IX86_BUILTIN_PBROADCASTW256, IX86_BUILTIN_PBROADCASTD256,
	IX86_BUILTIN_PBROADCASTQ256, IX86_BUILTIN_PBROADCASTB128,
	IX86_BUILTIN_PBROADCASTW128, IX86_BUILTIN_PBROADCASTD128,
	IX86_BUILTIN_PBROADCASTQ128, IX86_BUILTIN_VPERMVARSI256,
	IX86_BUILTIN_VPERMDF256, IX86_BUILTIN_VPERMVARSF256,
	IX86_BUILTIN_VPERMDI256, IX86_BUILTIN_VPERMTI256,
	IX86_BUILTIN_VEXTRACT128I256, IX86_BUILTIN_VINSERT128I256,
	IX86_BUILTIN_PSLLVV4DI, IX86_BUILTIN_PSLLVV2DI,
	IX86_BUILTIN_PSLLVV8SI, IX86_BUILTIN_PSLLVV4SI,
	IX86_BUILTIN_PSRAVV8SI, IX86_BUILTIN_PSRAVV4SI,
	IX86_BUILTIN_PSRLVV4DI, IX86_BUILTIN_PSRLVV2DI,
	IX86_BUILTIN_PSRLVV8SI, IX86_BUILTIN_PSRLVV4SI.
	(ix86_init_mmx_sse_builtins): Add IX86_BUILTIN_GATHERSIV2DF,
	IX86_BUILTIN_GATHERSIV4DF, IX86_BUILTIN_GATHERDIV2DF,
	IX86_BUILTIN_GATHERDIV4DF, IX86_BUILTIN_GATHERSIV4SF,
	IX86_BUILTIN_GATHERSIV8SF, IX86_BUILTIN_GATHERDIV4SF,
	IX86_BUILTIN_GATHERDIV8SF, IX86_BUILTIN_GATHERSIV2DI,
	IX86_BUILTIN_GATHERSIV4DI, IX86_BUILTIN_GATHERDIV2DI,
	IX86_BUILTIN_GATHERDIV4DI, IX86_BUILTIN_GATHERSIV4SI,
	IX86_BUILTIN_GATHERSIV8SI, IX86_BUILTIN_GATHERDIV4SI,
	IX86_BUILTIN_GATHERDIV8SI.
	(ix86_preferred_simd_mode): Support AVX2 modes.
	(ix86_expand_args_builtin): Support AVX2 built-ins.
	(ix86_expand_special_args_builtin): Likewise.
	(ix86_expand_builtin): Likewise.
	* config/i386/i386.md (UNSPEC_VPERMSI): New.
	(UNSPEC_VPERMDF): Likewise.
	(UNSPEC_VPERMSF): Likewise.
	(UNSPEC_VPERMDI): Likewise.
	(UNSPEC_VPERMTI): Likewise.
	(UNSPEC_GATHER): Likewise.
	(ssemodesuffix): Extend.
	* config/i386/immintrin.h: Include avx2intrin.h when __AVX2__
	is defined.
	* config/i386/predicates.md (const1248_operand): New.
	* config/i386/sse.md (VI_AVX2):
	(VI1_AVX2): Likewise.
	(VI2_AVX2): Likewise.
	(VI4_AVX2): Likewise.
	(VI8_AVX2): Likewise.
	(VIMAX_AVX2): Likewise.
	(SSESCALARMODE): Likewise.
	(VI12_AVX2): Likewise.
	(VI24_AVX2): Likewise.
	(VI124_AVX2): Likeuse_submit_for_speed = 1
	wise.
	(VI248_AVX2): Likewise.
	(VI48_AVX2): Likewise.
	(VI4SD_AVX2): Likewise.
	(V48_AVX2): Likewise.
	(avx2modesuffix): Likewise.
	(sse_avx2): Likewise.
	(sse2_avx2): Likewise.
	(ssse3_avx2): Likewise.
	(sse4_1_avx2): Likewise.
	(avx_avx2): Likewise.
	(lshift)<code_oterator>: Likewise.
	(lshift_insn): Likewise.
	(lshift)<code_attr>: Likewise.
	(SSESHORTMODE): Likewise.
	(SSELONGMODE): Likewise.
	(SSEBYTEMODE): Likewise.
	(AVXTOSSEMODE): Likewise.
	(shortmode): Likewise.
	(ssescalarmodesuffix): Update.
	(sseunpackmode): Likewise.
	(ssepackmode): Likewise.
	(AVX256MODEI): New.
	(AVX256MODE124): Likewise.
	(AVX256MODE1248): Likewise.
	(AVX256MODE248): Likewise.
	(AVXMODE48P_SI): Likewise.
	(AVXMODE48P_SI): Likewise.
	(AVXMODE48P_DI): Likewise.
	(AVXMODE48P_DI): Likewise.
	(gthrfirstp): Likewise.
	(gthrlastp): Likewise.
	(avx2): Likwise.
	(ssevecsize): Likewise.
	(ssedoublesizemode): Likewise.
	(avxvecmode): Likewise.
	(avxvecsize): Likewise.
	(avxhalfvecmode): Likewise.
	(avxscalarmode): Likewise.
	(avxpermvecmode): Likewise.
	(avxmodesuffixp): Likewise.
	(avxmodesuffix): Likewise.
	(avx2_vec_dupv4sf): New.
	(avx2_vec_dupv8sf): Likewise.
	(avx2_interleave_highv4di): Likewise.
	(avx2_interleave_lowv4di): Likewise.
	(<plusminus_insn><mode>3): Update.
	(*<plusminus_insn><mode>3): Likewise.
	(sse2_<plusminus_insn><mode>3): Rename to ...
	("<sse2_avx2>_<plusminus_insn><mode>3): ... this. updated.
	(*sse2_<plusminus_insn><mode>3): Likewise.
	(*<sse2_avx2>_<plusminus_insn><mode>3): Likewise.
	(mulv8hi3): Likewise.
	(mul<mode>3): Likewise.
	(*mulv8hi3): Likewise.
	(*mul<mode>3): Likewise.
	(<s>mulv8hi3_highpart): Likewise.
	(<s>mul<mode>3_highpart): Likewise.
	(*<s>mulv8hi3_highpart): Likewise.
	(*<s>mul<mode>3_highpart): Likewise.
	(avx2_umulv4siv4di3): Likewise.
	(*avx_umulv4siv4di3): Likewise.
	(sse4_1_mulv2siv2di3): Likewise.
	(<sse4_1_avx2>_mul<shortmode><mode>3): Likewise.
	(*sse4_1_mulv2siv2di3): Likewise.
	(*<sse4_1_avx2>_mulv2siv2di3): Likewise.
	(avx2_pmaddwd): New.
	(*avx2_pmaddwd): Likewise.
	(mulv4si3): Rename to ...
	(mul<mode>3): ... this. Update.
	(*sse4_1_mulv4si3): Likewise.
	(*<sse4_1_avx2>_mul<mode>3): Likewise.
	(ashr<mode>3): Update.
	(avx2_lshrqv4di3): New.
	(lshr<mode>3): Update.
	(avx2_lshlqv4di3): New.
	(avx2_lshl<mode>3): Likewise.
	(sse2_ashlv1ti3): Rename to ...
	(<sse2_avx2>_ashl<mode>3): ... this. Update.
	(avx2_<code><mode>3)<umaxmin>: New.
	(*avx2_<code><mode>3)<umaxmin>: Likewise.
	(avx2_<code><mode>3)<smaxmin>: New.
	(*avx2_<code><mode>3)<smaxmin>: Likewise.
	(avx2_eq<mode>3): Likewise.
	(*avx2_eq<mode>3): Likewise.
	(avx2_gt<mode>3): Likewise.
	(sse2_andnot<mode>3): Rename to ...
	(<sse2_avx2>_andnot<mode>3): ... this. Update.
	(*andnot<mode>3): Update.
	(<code><mode>3)<any_logic>: Update.
	(*<code><mode>3)<any_logic>: Likewise.
	(sse2_packsswb): Rename to ...
	(<sse2_avx2>_packsswb): ... this. Update.
	(sse2_packssdw): Likewise.
	(<sse2_avx2>_packssdw): Likewise.
	(sse2_packuswb): Likewise.
	(<sse2_avx2>_packuswb): Likewise.
	(avx2_interleave_highv32qi): New.
	(avx2_interleave_lowv32qi): Likewise.
	(avx2_interleave_highv16hi): Likewise.
	(avx2_interleave_lowv16hi): Likewise.
	(avx2_interleave_highv8si): Likewise.
	(avx2_interleave_lowv8si): Likewise.
	(avx2_pshufd): New
	(avx2_pshufd_1): Likewise.
	(avx2_pshuflwv3): Likewise.
	(avx2_pshuflw_1): Likewise.
	(avx2_pshufhwv3): Likewise.
	(avx2_pshufhw_1): Likewise.
	(avx2_uavgv32qi3): Likewise.
	(*avx2_uavgv32qi3): Likewise.
	(avx2_uavgv16hi3): Likewise.
	(*avx2_uavgv16hi3): Likewise.
	(sse2_psadbw): Rename to ...
	(<sse2_avx2>_psadbw): ... this. Update.
	(avx2_pmovmskb): New.
	(avx2_phaddwv16hi3): Likewise.
	(avx2_phadddv8si3): Likewise.
	(avx2_phaddswv16hi3): Likewise.
	(avx2_phsubwv16hi3): Likewise.
	(avx2_phsubdv8si3): Likewise.
	(avx2_phsubswv16hi3): Likewise.
	(avx2_pmaddubsw256): Likewise.
	(avx2_umulhrswv16hi3): Likewise.
	(*avx2_umulhrswv16hi3): Likewise.
	(ssse3_pshufbv16qi3): Rename to ...
	(<ssse3_avx2>_pshufb<mode>3): ... this. Update.
	(ssse3_psign<mode>3): Likewise.
	(<ssse3_avx2>_psign<mode>3): Likewise.
	(ssse3_palignrti): Likewise.
	(<ssse3_avx2>_palignr<mode>): Likewise.
	(abs<mode>2): Likewise.
	(sse4_1_movntdqa): Rename to ...
	(<sse4_1_avx2>_movntdqa): ... this. Update.
	(sse4_1_mpsadbw): Likewise.
	(<sse4_1_avx2>_mpsadbw): Likewise.
	(avx2_packusdw): New.
	(sse4_1_pblendvb): Rename to ...
	(<sse4_1_avx2>_pblendvb): ... this. Update.
	(sse4_1_pblendw): Likewise.
	(<sse4_1_avx2>_pblendw): Likewise.
	(avx2_pblendd<mode>): New.
	(avx2_<code>v16qiv16hi2): Likewise.
	(avx2_<code>v8qiv8si2): Likewise.
	(avx2_<code>v8hiv8si2): Likewise.
	(avx2_<code>v4qiv4di2): Likewise.
	(avx2_<code>v4hiv4di2): Likewise.
	(avx2_<code>v4siv4di2): Likewise.
	(avx2_pbroadcast<mode>): Likewise.
	(avx2_permvarv8si): Likewise.
	(avx2_permv4df): Likewise.
	(avx2_permvarv8sf): Likewise.
	(avx2_permv4di): Likewise.
	(avx2_permv2ti): Likewise.
	(avx2_vec_dupv4df): Likewise.
	(avx2_vbroadcasti128_<mode>): Likewise.
	(avx2_vec_set_lo_v4di): Likewise.
	(avx2_vec_set_hi_v4di): Likewise.
	(avx_maskload<ssemodesuffix><avxsizesuffix>): Rename to ...
	(<avx_avx2>_maskload<avx2modesuffix><avxmodesuffix>): ... this.
	Update.
	(avx_maskstore<ssemodesuffix><avxsizesuffix>): Likewise.
	(<avx_avx2>_maskstore<avx2modesuffix><avxmodesuffix>): Likewise.
	(*avx2_maskmov<avx2modesuffix><avxmodesuffix>): New.
	(avx2_extracti128): Likewise.
	(avx2_inserti128): Likewise.
	(avx2_ashrvv8si): Likewise.
	(avx2_ashrvv4si): Likewise.
	(avx2_<lshift>vv8si): Likewise.
	(avx2_<lshift>v<mode>): Likewise.
	(avx2_<lshift>vv2di): Likewise.
	(avx2_gathersi<mode>): Likewise.
	(*avx2_gathersi<mode>): Likewise.
	(avx2_gatherdi<mode>): Likewise.
	(*avx2_gatherdi<mode>): Likewise.
	(avx2_gatherdi<mode>256): Likewise.
	(*avx2_gatherdi<mode>256): Likewise.
	* doc/extend.texi: Document AVX2 built-in functions.
	* doc/invoke.texi: Document -mavx2.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@177955 138bc75d-0d04-0410-961f-82ee72b054a4